getName() != 'site' || $app->getCfg('sef')=='0') {
return true;
}
//Replace src links
$base = JURI::base(true).'/';
$buffer = JResponse::getBody();
$regex = '#href="index.php\?([^"]*)#m';
$buffer = preg_replace_callback($regex, array('plgSystemSef', 'route'), $buffer);
$this->checkBuffer($buffer);
$protocols = '[a-zA-Z0-9]+:'; //To check for all unknown protocals (a protocol must contain at least one alpahnumeric fillowed by :
$regex = '#(src|href|poster)="(?!/|'.$protocols.'|\#|\')([^"]*)"#m';
$buffer = preg_replace($regex, "$1=\"$base\$2\"", $buffer);
$this->checkBuffer($buffer);
$regex = '#(onclick="window.open\(\')(?!/|'.$protocols.'|\#)([^/]+[^\']*?\')#m';
$buffer = preg_replace($regex, '$1'.$base.'$2', $buffer);
$this->checkBuffer($buffer);
// ONMOUSEOVER / ONMOUSEOUT
$regex = '#(onmouseover|onmouseout)="this.src=([\']+)(?!/|'.$protocols.'|\#|\')([^"]+)"#m';
$buffer = preg_replace($regex, '$1="this.src=$2'. $base .'$3$4"', $buffer);
$this->checkBuffer($buffer);
// Background image
$regex = '#style\s*=\s*[\'\"](.*):\s*url\s*\([\'\"]?(?!/|'.$protocols.'|\#)([^\)\'\"]+)[\'\"]?\)#m';
$buffer = preg_replace($regex, 'style="$1: url(\''. $base .'$2$3\')', $buffer);
$this->checkBuffer($buffer);
// OBJECT -- fix it only inside the tag
$regex = '#(]\s*value\s*=\s*"(?!/|'.$protocols.'|\#|\')([^"]*)"#m';
$buffer = preg_replace($regex, '$1name="$2" value="' . $base . '$3"', $buffer);
$this->checkBuffer($buffer);
// OBJECT -- fix it only inside the tag
$regex = '#(]*)value\s*=\s*"(?!/|'.$protocols.'|\#|\')([^"]*)"\s*name\s*=\s*"(movie|src|url)"#m';
$buffer = preg_replace($regex, 'checkBuffer($buffer);
// OBJECT data="xx" attribute -- fix it only in the object tag
$regex = '#(]*)data\s*=\s*"(?!/|'.$protocols.'|\#|\')([^"]*)"#m';
$buffer = preg_replace($regex, '$1data="' . $base . '$2"$3', $buffer);
$this->checkBuffer($buffer);
JResponse::setBody($buffer);
return true;
}
private function checkBuffer($buffer) {
if ($buffer === null) {
switch (preg_last_error()) {
case PREG_BACKTRACK_LIMIT_ERROR:
$message = "PHP regular expression limit reached (pcre.backtrack_limit)";
break;
case PREG_RECURSION_LIMIT_ERROR:
$message = "PHP regular expression limit reached (pcre.recursion_limit)";
break;
case PREG_BAD_UTF8_ERROR:
$message = "Bad UTF8 passed to PCRE function";
break;
default:
$message = "Unknown PCRE error calling PCRE function";
}
JError::raiseError(500, $message);
}
}
/**
* Replaces the matched tags
*
* @param array An array of matches (see preg_match_all)
* @return string
*/
protected static function route(&$matches)
{
$original = $matches[0];
$url = $matches[1];
$url = str_replace('&', '&', $url);
$route = JRoute::_('index.php?'.$url);
return 'href="'.$route;
}
}